Issued Patents All Time
Showing 101–117 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7184287 | Rectifier clamping circuit with reverse energy recovery | Teng Liu, Xingkuan Guo, Jianhong Zeng, Yue Fu | 2007-02-27 |
| 7116087 | Current sharing method and apparatus for alternately controlling parallel connected boost PFC circuits | Qingyou Zhang, Aibin Qiu, Jianhong Zeng | 2006-10-03 |
| 7099134 | Apparatus for protecting boost converter in abnormal operation | Teng Liu, Xingkuan Guo, Jianhong Zeng | 2006-08-29 |
| 7061777 | Input stage circuit of three-level DC/DC converter | Jianhong Zeng, Xiaojun Deng, Xingkuan Guo, Aiming Xiong | 2006-06-13 |
| 7049712 | Primary side ZVS push-pull converter having relatively less losses | Hua-Sheng Lin, Qiuhua Zhu, Wen-Yin Tsai | 2006-05-23 |
| 7009852 | DC-DC converter circuits and method for reducing DC bus capacitor current | Qingyou Zhang, Aibin Qiu, Teng Liu, Xingkuan Guo, Jianhong Zeng | 2006-03-07 |
| 7005759 | Integrated converter having three-phase power factor correction | Jingtao Tan, Lin Chen, Raymond Lee | 2006-02-28 |
| 6944036 | DC/DC converter with voltage clamp circuit | Chao Yan, Hongyang Wu, Heoyi Ye | 2005-09-13 |
| 6937486 | Methods and controllers for suppressing DC magnetic deflection of transformer | Teng Liu, Xingkuan Guo, Jianhong Zeng | 2005-08-30 |
| 6937000 | Cross regulation and methods for controlling boost converter | Teng Liu, Jianhong Zeng | 2005-08-30 |
| 6856095 | High frequency heating device | Jianhong Zeng, Xingkuan Guo | 2005-02-15 |
| 6850425 | Parallel inverter system based on tracking of system power reference | Jingtao Tan, Hua-Sheng Lin | 2005-02-01 |
| 6781385 | Apparatus for detecting current direction in bridge circuits and method thereof | Jin Wang, Zhigan Wu | 2004-08-24 |
| 6778410 | DC-to-DC converter | Jianhong Zeng, Qingyou Zhang | 2004-08-17 |
| 6534938 | Method and apparatus for driving a sensorless BLDC motor at PWM operation mode | Zhigan Wu, Jin Wang | 2003-03-18 |
| 6535402 | Adaptive compensation of dead time for inverter and converter | Zhigan Wu, Jin Wang | 2003-03-18 |
| 6388897 | DC-to-DC converter and method for converting direct current to direct current | Chau-Chun Wen, Hai Geng, Jianhong Zeng | 2002-05-14 |